(2) Failure in Operation
 If "NO-OP" is shown
 If "Error" is shown
8
Press the   Key. The adjusted values will be writ-
ten to the SERVOPACK, "DONE" will blink for two 
seconds, and "ADJ" will be displayed. 
Note: Not to save the values set in step 6, press the 
 Key.
9
Press the   Key to complete the advanced autotun-
ing by reference operation. The screen in step 1 will 
appear again.
10 To enable the change in the setting, turn OFF the power and ON again.
Probable Cause Corrective Actions
The main circuit power supply was OFF. Turn ON the main circuit power supply.
An alarm or warning occurred. Remove the cause of the alarm or the warning.
Overtraveling occurred. Remove the cause of the overtravel.
Gain setting 2 was selected by gain switching. Turn OFF the automatic gain switching.
Error Probable Cause Corrective Actions
The gain adjustment 
was not successfully 
completed.
Machine vibration is occurring or the posi-
tioning completed signal (/COIN) is turning 
ON and OFF.
• Increase the set value for Pn522.
• Change the mode from 2 to 3.
• If machine vibration occurs, suppress the 
vibration with the anti-resonance control 
adjustment function and the vibration sup-
pression function.
The positioning 
completed signal 
(/COIN) did not turn ON 
within approximately 10 
seconds after 
positioning adjustment 
was completed.
The positioning completed width is too nar-
row or the proportional control (P control) is 
being used.
Increase the set value for Pn522. If P control 
is used, turn OFF the /P-CON signal.
Step Display after Operation Keys Operation